2222200

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 5312160

約数和(自身を除く): 3089960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 271, 328, 410, 542, 820, 1025, 1084, 1355, 1640, 2050, 2168, 2710, 4100, 5420, 6775, 8200, 10840, 11111, 13550, 22222, 27100, 44444, 54200, 55555, 88888, 111110, 222220, 277775, 444440, 555550, 1111100, 2222200]

約数ペア:

[(1, 2222200), (2, 1111100), (4, 555550), (5, 444440), (8, 277775), (10, 222220), (20, 111110), (25, 88888), (40, 55555), (41, 54200), (50, 44444), (82, 27100), (100, 22222), (164, 13550), (200, 11111), (205, 10840), (271, 8200), (328, 6775), (410, 5420), (542, 4100), (820, 2710), (1025, 2168), (1084, 2050), (1355, 1640)]